Ive been toying with the idea again of boosting the insight. I had it 2 years ago and went with the phev kit. Well, Ive reconsidered it with my tax refund coming up.
Id thought about the NOS kit for the Civic which also uses a 1.3 engine, but its all or nothing, not progressive. If I did go that route get the wet kit.
From what I can see from what little research I have done is that we have the l13a engine with pause i-VTEC and i-Dsi. It also seems this engine was used in the 02-03 Fit/Jazz and the l15a is the same except for its displacement.
The torque tops out at 4700 rpms at 80 something, then at 5700 rpms the hp tops out at 88 or so. Seems with these numbers the cam is ground for higher end power, so looks like the parts need to support that, like a 4 to 1 header for example unless the cam is replaced with a reground or its advanced a good ten degrees to lower the power band. Considering the low crusing rpms at highway speeds it should help with both drivability and mpg.
Infact several forums suggest using the turbo or super charger kit from the l15a engine for the l13a engine, just make sure the tuner, piggy back computer does something for the i-Dsi.
This would mean running premium fuel, like with NOS and boost would be limited to 5 psi or so without any internal mods.
Before I get too deep in this Ill try some shade tree mechanics stuff like disconnecting the egr, colder plugs, premium fuel just to name a few. I've already replaced the muffler with a straight piece of pipe and replaced the air filter with a kn just to name a few.
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